Annals of the South African Museum, Volume 30South African Museum, 1934 - Natual history |
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Page 56
... Tail valve , having 2 slits only . x6 . 5. Acanthochiton turtoni Ashby . Port Alfred . Holotype . Whole shell . Oxford Mus . × 6 . 9. Notoplax productus ( Pilsbry ) . Jeffrey's Bay . Whole shell curled , showing great width of girdle ...
... Tail valve , having 2 slits only . x6 . 5. Acanthochiton turtoni Ashby . Port Alfred . Holotype . Whole shell . Oxford Mus . × 6 . 9. Notoplax productus ( Pilsbry ) . Jeffrey's Bay . Whole shell curled , showing great width of girdle ...
Page 57
... Tail valve . X6 . Tristan da Cunha . Part of girdle . 4 . Same example as No. 28 . Same example as No. 28 . Same example as No. 28 . Head valve . Median valve . Tail valve . X4 . X4 . X4 . 28. Plaxiphora simplex Haddon . 29. Plaxiphora ...
... Tail valve . X6 . Tristan da Cunha . Part of girdle . 4 . Same example as No. 28 . Same example as No. 28 . Same example as No. 28 . Head valve . Median valve . Tail valve . X4 . X4 . X4 . 28. Plaxiphora simplex Haddon . 29. Plaxiphora ...
Page 58
... Tail valve . × 5 . 54. Ischnochiton oniscus alfredensis n . subsp . Port Alfred . Holotype . Whole shell . Transvaal Mus . × 6 . 55. Ischnochiton ludwigi ? ( Krauss MSS . ) Pilsbry . ? Table Bay . Albany Mus . Part of Mus . No. 5078. X ...
... Tail valve . × 5 . 54. Ischnochiton oniscus alfredensis n . subsp . Port Alfred . Holotype . Whole shell . Transvaal Mus . × 6 . 55. Ischnochiton ludwigi ? ( Krauss MSS . ) Pilsbry . ? Table Bay . Albany Mus . Part of Mus . No. 5078. X ...
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Common terms and phrases
5th joint abdomen angle antennae apex apical margin Ashby Barnard basal brevibus brevioribus broad broader than long Budde-Lund capensis chelicera chitinised Chiton colour convex Diploexochus distal dorsal elytra epimera Epistome eyes femur flagellum fore-wing genus girdle granules grooved head valve hind margin Holotype inner ramus insertion plate internal tooth Ischnochiton jugal sinus Krauss larva lateral areas legs length lobe longer longitudinal mandible maxilla maxilliped median valves minute mucro narrow Natal ocelli ocular tubercle outer ramus pale palps parum pedipalp peduncle penicil peraeon segment Peraeopods Pilsbry pleon pleon segment pleopod pleurae Port Alfred posterior postica pronotum punctate punctured riblets ridge rounded S.A. Mus sat longis scales sculpture setae setis shagreened shell short shorter slightly slits smooth snout South African Museum species specimens spines sternite subequal surface tail valve teeth tegmentum telson tergite TEXT-FIG Thiele thorax tooth on segment transverse tubercles Uropod urosterni Zool